Electrosurgical instrument for therapeutic treatment of varices
Patent 5868744 Issued on February 9, 1999. Estimated Expiration Date: 
October 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 25, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1814791 1916722 1943543 2611365 3301258 3651812 Electrosurgical instrument Electro-coagulation and ablation and other electrotherapeutic treatments of body tissue Patent #: 5403311 InventorApplicationNo. 737103 filed on 10/25/1996US Classes:606/50, Bipolar electrodes607/99, Localized application607/116Placed in bodyExaminersPrimary: Cohen, Lee S.Attorney, Agent or FirmInternational ClassA61B 017/39Foreign Application Priority Data1994-04-28 DEAbstractAn electrosurgical instrument is useful for therapeutic treatment of varices, especially small varicose dilatations of the cutaneous veins. A surgical instrument is provided for rapid, reliable and minimally discomforting therapy of small varicose dilatations of the cutaneous veins and similar disorders, ensuring the lowest possible rate of recidivism while minimizing side effects. The instrument has two fork-shaped protruding needle electrodes which connect to different poles of an electrical power source and which are each partially enclosed in an electrical insulating layer. The forward tip region of the needle electrodes is left open. | |
